NOISE REDUCTION - Quiet earplugs are reusable and durable hearing protection made of soft silicone. They reduce most noise and help you get into your bubble. They have a noise reduction rating (SNR) of 27 decibels and are available OPTIMAL COMFORT - These noise reducing earplugs are available in 4 different sizes, so you can always find the perfect fit. Quiet's signature round shape fits perfectly in your ears, making it a fashionable accessory that protects your hearing. MULTI-PURPOSE - Quiet earplugs are versatile and provide protection against loud noises and background noise in many situations. They are great for sleeping and can help you focus while studying, working or reading. And of course, they are essential for traveling or moving around. EASY TO USE - These earplugs are easy to insert and when you wear them correctly, they won't pop out of your ears. They exist in 3 sizes, if your ears hurt, it is better to take a smaller size. If the earplugs do not reduce the sound enough or fall off, it is better to try a larger size.